27707420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1747}}^1$

素因数の和:1830

約数の個数: 48

約数和(自身を含む): 63725088

約数和(自身を除く): 36017668

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1220, 1586, 1747, 3172, 3494, 3965, 6988, 7930, 8735, 15860, 17470, 22711, 34940, 45422, 90844, 106567, 113555, 213134, 227110, 426268, 454220, 532835, 1065670, 1385371, 2131340, 2770742, 5541484, 6926855, 13853710, 27707420]

約数ペア:

[(1, 27707420), (2, 13853710), (4, 6926855), (5, 5541484), (10, 2770742), (13, 2131340), (20, 1385371), (26, 1065670), (52, 532835), (61, 454220), (65, 426268), (122, 227110), (130, 213134), (244, 113555), (260, 106567), (305, 90844), (610, 45422), (793, 34940), (1220, 22711), (1586, 17470), (1747, 15860), (3172, 8735), (3494, 7930), (3965, 6988)]